#!/bin/sh
#------------------------------------------------------------------------------
# =========                 |
# \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
#  \\    /   O peration     | Website:  https://openfoam.org
#   \\  /    A nd           | Copyright (C) 2015-2018 OpenFOAM Foundation
#    \\/     M anipulation  |
#------------------------------------------------------------------------------
# License
#     This file is part of OpenFOAM.
#
#     OpenFOAM is free software: you can redistribute it and/or modify it
#     under the terms of the GNU General Public License as published by
#     the Free Software Foundation, either version 3 of the License, or
#     (at your option) any later version.
#
#     OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
#     ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
#     FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
#     for more details.
#
#     You should have received a copy of the GNU General Public License
#     along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
#
# Script
#     wrmo
#
# Usage
#     wrmo [-a | -all | all] [file]
#
# Description
#     Remove all .o files from the object directory tree corresponding to the
#     current source directory or remove only the .o file corresponding to the
#     optionally specified [file].  With the -a/-all/all option the .o files
#     are removed for all platforms rather than just the current platform.
#
#------------------------------------------------------------------------------
Script=${0##*/}

# Source the wmake functions
# shellcheck source=scripts/wmakeFunctions
. "${0%/*}/scripts/wmakeFunctions"

usage() {
    cat<<USAGE
Usage: $Script [file]
options:
    -all | -a      non-stop compilation, ignoring errors
    -help          print the usage


Remove all .o files or remove .o file corresponding to <file>

USAGE
}

error() {
    exec 1>&2
    while [ "$#" -ge 1 ]; do echo "$1"; shift; done
    usage
    exit 1
}

#------------------------------------------------------------------------------
# Parse arguments and options
#------------------------------------------------------------------------------

# Default to processing only the current platform
all=

while [ "$#" -gt 0 ]
do
    case "$1" in
    -h | -help)
        usage && exit 0
        ;;
    # Non-stop compilation, ignoring errors
    -a | -all | all)
        all="all"
        shift
        ;;
    -*)
       error "unknown option: '$*'"
       ;;
    *)
       break
       ;;
    esac
done

# Check environment variables
checkEnv


#------------------------------------------------------------------------------
# Remove the selected .o files from the object tree
#------------------------------------------------------------------------------

findObjectDir .

# With the -a/-all option replace the current platform with a wildcard
if [ "$all" = "all" ]
then
    objectsDir=$(echo "$objectsDir" | sed s%"$WM_OPTIONS"%*% )
fi

if [ "$#" -eq 0 ]
then
    echo "removing all .o files ..."
    find "$objectsDir" -name '*.o' -print0 | xargs -0t rm 2>/dev/null
else
    echo "removing .o files corresponding to $1 ..."
    rm "$objectsDir/${1%%.*}.o"
fi


#------------------------------------------------------------------------------
# Cleanup local variables and functions
#------------------------------------------------------------------------------

unset Script usage error


#------------------------------------------------------------------------------
